- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 1.223 inches minimum and 1.243 inches maximum
- Head Height
- 0.078 inches minimum and 0.088 inches maximum
- Width Between Flats
- 0.158 inches minimum and 0.162 inches maximum
- Shank Diameter
- 0.4047 inches minimum and 0.4057 inches maximum
- Shank Style
- Pin-rivet, straight, threaded
- Head Major Diameter
- 0.565 inches minimum and 0.600 inches maximum
- Grip Length
- 0.683 inches minimum and 0.693 inches maximum
- Thread Quantity per Inch
- 24
- Nominal Thread Size
- 0.375 inches
- Shear Strength
- 95000 single pounds per square inch
- Material
- Steel comp E4340 or steel comp 4340 or steel comp 4140 or steel comp 8740 overall
- Material Document and Classification
- MIL-S-5000 mil spec 1ST material response or MIL-S-5000 mil spec 2ND material response or MIL-S-5626 mil spec 3RD material response or MIL-S-6049 mil spec 4TH material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, ty 2, cl 2 fed spec single treatment response overall
- Thread Series Designator
- UNJF
Identification data is compiled from public DLA/FLIS sources. Supply detail
is from our own records. Availability, condition and certification are
confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.